ert--run-test-debugger

ert--run-test-debugger is a compiled Lisp function in `ert.el'.

(ert--run-test-debugger INFO ARGS)

During a test run, `debugger' is bound to a closure that calls this function.

This function records failures and errors and either terminates
the test silently or calls the interactive debugger, as
appropriate.

INFO is the ert--test-execution-info corresponding to this test
run. ARGS are the arguments to `debugger'.